/**
 * This file is part of 1genia trampoline
 * Copyright (C) 2007 - 2008 1genia (contact@1genia.com)
 *
 * This library is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; version 3 of the License. 
 *
 * This library is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Library General Public License for more details. 
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; see the file COPYING.TXT.  If not,
 * write to the Free Software Foundation, Inc., 51 Franklin Street,
 * Fifth Floor, Boston, MA 02110-1301, USA. 
 **/
package com.genia.toolbox.web.gwt.form.client.form.impl;

import java.util.ArrayList;
import java.util.List;

import com.genia.toolbox.web.gwt.basics.client.support.GwtObjectUtils;
import com.genia.toolbox.web.gwt.form.client.form.ValuedItemEntry;
import com.genia.toolbox.web.gwt.form.client.form.ValuedItemEntryList;

/**
 * the implementation of {@link ValuedItemList}.
 */
public abstract class AbstractValuedItemEntryList
    implements ValuedItemEntryList
{

  /**
   * the list of
   * {@link com.genia.toolbox.web.gwt.form.client.form.ValuedItemEntry}.
   */
  private List<ValuedItemEntry> valuedItemEntries = new ArrayList<ValuedItemEntry>();



  /**
   * Indicates whether some other object is "equal to" this one.
   * 
   * @param obj
   *          the reference object with which to compare.
   * @return <code>true</code> if this object is the same as the obj argument;
   *         <code>false</code> otherwise.
   * @see java.lang.Object#equals(java.lang.Object)
   */
  @Override
  public boolean equals(final Object obj)
  {
    if (obj == this) {
      return true;
    }
    if (obj == null) {
      return false;
    }
    if (getClass() == obj.getClass()) {
      final ValuedItemEntryList item = (ValuedItemEntryList) obj;

      return GwtObjectUtils.nullSafeEquals(getValuedItemEntries(), item.getValuedItemEntries());
    }
    return false;
  }



  /**
   * getter for the valuedItemEntries property.
   * 
   * @return the valuedItemEntries
   */
  public List<ValuedItemEntry> getValuedItemEntries()
  {
    return valuedItemEntries;
  }



  /**
   * Returns a hash code value for the object. This method is supported for the
   * benefit of hashtables such as those provided by
   * <code>java.util.Hashtable</code>.
   * 
   * @return a hash code value for this object.
   * @see java.lang.Object#hashCode()
   */
  @Override
  public int hashCode()
  {
    return GwtObjectUtils.nullSafeHashCode(new Object[] { getClass(), getValuedItemEntries() });
  }



  /**
   * setter for the valuedItemEntries property.
   * 
   * @param valuedItemEntries
   *          the valuedItemEntries to set
   */
  public void setValuedItemEntries(List<ValuedItemEntry> valuedItemEntries)
  {
    this.valuedItemEntries = valuedItemEntries;
  }

}
